﻿// Copyright (c) Microsoft Corporation
//
// All rights reserved. 
//
// Licensed under the Apache License, Version 2.0 (the ""License""); you may not use this file 
// except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING 
// WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY 
// OR NON-INFRINGEMENT. 
//
// See the Apache Version 2.0 License for specific language governing permissions and limitations under the License.

using System;
using System.Threading.Tasks;
using TED.WindowsAzure.Unplugged.Mobile.Folder;
using Windows.Storage.Streams;

namespace TED.WindowsAzure.Unplugged.Mobile.File
{
    /// <summary>
    ///     Represents a file on remote server
    /// </summary>
    public class RemoteFile
    {
        private readonly RemoteFolder _folder;

        public RemoteFile(RemoteFolder folder)
        {
            _folder = folder;
            Exists = false;
        }

        public string ETag { get; set; }

        public bool Exists { get; set; }

        public string FileName { get; set; }

        public string FolderName
        {
            get { return _folder.FolderName; }
        }

        public DateTimeOffset? LastModified { get; set; }

        public Uri Uri { get; set; }

        internal async Task DownloadToStreamAsync(IOutputStream target)
        {
            await _folder.DownloadToStreamAsync(this, target);
        }

        internal async Task UploadFromStreamAsync(IInputStream source)
        {
            await _folder.UploadFromStreamAsync(this, source);
        }

        internal async Task DeleteAsync()
        {
            await _folder.DeleteAsync(this);
        }
    }
}